Most popular questions and responses by kath
  1. Physics

    How much heat must be removed from 456 g of water at 25.0°C to change it into ice at -10.0°C? The specific heat of ice is 2090 J/kg ∙ K, the latent heat of fusion of water is 33.5 × 104 J/kg, and the specific heat of water is 4186 J/kg ∙ K.

    asked on May 25, 2017
  2. math

    The average number of calories in a 1.5 ounce chocolate bar is 225. Suppose that the distribution of calories is approximately normal with standard deviation =10. Find the probability that a randomly selected chocolate bar will have a) Between 200 and 220

    asked on April 10, 2013
  3. Math

    the temperature at six o clock in the morning which is 26.5°c became 31°c . What was the average temperature?

    asked on February 1, 2017
  4. grade 11 Physics

    An open ended air column of length 35 cm resonates with a speaker sounding a 500 Hz note. If the air is vibrating in the fundamental mode, what temperature is the air?

    asked on May 17, 2018
  5. Physics

    The temperature of the air is 20 Celsius when a tourist drops a coin into a wishing well. She hears the splash 5.30s after she drops the coin. If the air resistance is ignored, how deep is the well? a) 344m b)332m c)137m d)120m e)0.60m

    asked on May 16, 2018
  6. Physics

    Does the period of a satellite in a circular orbit increase or decrease as its distance from earth increases? Thanks :)

    asked on May 15, 2011
  7. trigonometry

    why does supplementary angles always have the same sin?

    asked on January 26, 2016
  8. Physics

    what is the northward and eastward components of a 550 kph velocity of an airplane going NE?

    asked on June 27, 2015
  9. History

    Why did they name the case Brown v. Board of Education. They were all 5 cases but why did they name that case Brown v. Board of Education?

    asked on December 16, 2013
  10. History Fair Notecard help!

    How do you do history project notecards? I forgot how my teacher did it.

    asked on December 15, 2013
  11. math

    0.21 dividen BY 1.25

    asked on September 19, 2012
  12. algebra

    Finde three consecutive integers such that the sum of the first and third is 16

    asked on February 19, 2017
  13. Math

    The base of an isosceles triangle is 4x cm long.The altitude to the base is 6cm long.Find the length of a leg of the triangle.

    asked on January 20, 2016
  14. Money

    How much would £800,000 gain in interest over 30 years

    asked on December 23, 2010
  15. math

    one half of jeans age two years from now plus one third of her age three years ago is twenty years. how old is she now?

    asked on February 19, 2017
  16. Physics

    what is the northwest and eastward components of a 550 kph velocity?

    asked on June 27, 2015
  17. english

    One does not set fire to the roof and then go to bed. I think this is a compound sentence cos it has two sentences. "one does not set fire to the roof." and * is the coordinating conjunction "go to bed." what do you think?

    asked on December 14, 2014
  1. Math


    posted on January 31, 2019
  2. Math


    posted on January 31, 2019
  3. Math Help Plaese!!!!!!

    don't know who told you-you got skills because, to be honest seems like the case you have is being a lowlife if you think your so smart I like to see you do a test without studying or cheating id like to see what you get then you low life leave he or her

    posted on November 28, 2018
  4. Math Help Plaese!!!!!!

    aisha that was a lame roast just facts and by the way if you're going to say dumb butt say the darn curse word so lame you're digging your own grave if you tried me.

    posted on November 28, 2018

    X3 lol

    posted on November 28, 2018
  6. Math

    your correct ^~^

    posted on November 28, 2018
  7. Math

    no, you just divide 1.95 by 0.65 and you get 3.

    posted on November 28, 2018
  8. Math


    posted on November 28, 2018
  9. math

    because obviously, we all know who the loser is here You

    posted on November 28, 2018
  10. math

    Help I need answer figure it out your self-low life X~X

    posted on November 28, 2018

    kitty announcing it isn't really doing much tell me what do you think you're getting out of screaming cheating it doesn't help nor stop the situation. It's actually quite annoying.

    posted on November 28, 2018


    posted on November 28, 2018
  13. Math

    wooow im not putting that then

    posted on November 28, 2018
  14. art


    posted on November 28, 2018
  15. math


    posted on November 27, 2018
  16. Math

    swords jeez dude stop being so mean you shouldn't have a problem with it at least you have the answer

    posted on November 27, 2018
  17. Physics

    i dont really understand the explanation, so which would be the answer

    posted on May 17, 2018
  18. physics

    as 1kg

    posted on October 24, 2016
  19. 6th Grade Math


    posted on December 14, 2015
  20. Math


    posted on November 18, 2015
  21. 4th grade

    help with homework'

    posted on October 19, 2015
  22. History Fair Notecard help!


    posted on December 16, 2013
  23. orientalism of muslim and arab american

    I'm here with the rest of you. Why does UOP ask questions they don't provide answers to? This concept is unclear and as far as I'm concerned not an integral part of the assignment, but b.s. my way through this and answer it I shall.

    posted on November 30, 2008